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EDI8F8257LP100B6I PDF预览

EDI8F8257LP100B6I

更新时间: 2023-01-03 10:30:21
品牌 Logo 应用领域
WEDC 静态存储器内存集成电路
页数 文件大小 规格书
6页 142K
描述
SRAM Module, 256KX8, 100ns, CMOS, DIP-32

EDI8F8257LP100B6I 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP-32Reach Compliance Code:unknown
风险等级:5.82最长访问时间:100 ns
JESD-30 代码:R-XDMA-T32内存密度:2097152 bit
内存集成电路类型:SRAM MODULE内存宽度:8
功能数量:1端子数量:32
字数:262144 words字数代码:256000
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:256KX8
封装主体材料:UNSPECIFIED封装形状:RECTANGULAR
封装形式:MICROELECTRONIC ASSEMBLY并行/串行:PARALLEL
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:INDUSTRIAL
端子形式:THROUGH-HOLE端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

EDI8F8257LP100B6I 数据手册

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EDI8F8257C  
256Kx8 Static RAM CMOS, Module  
DESCRIPTION  
FEATURES  
•
•
256Kx8 bit CMOS Static  
The EDI8F8257C is a 2Mb CMOS Static RAM based on two  
128Kx8 Static RAMs mounted on a multi-layered epoxy laminate  
(FR4) substrate.  
Random Access Memory  
• Access Times 70, 85 and 100ns  
• Data Retention Function (LP version)  
• TTL Compatible Inputs and Outputs  
• Fully Static, No Clocks  
Functional equivalence to the monolithic 2Mb Static RAM is  
achieved by utilization of an on-board decoder that interprets the  
higher order address (A17) to select one of the 128Kx8 Static  
RAMs.  
The 32 pin DIP pinout adheres to the JEDEC standard for the two  
megabit device, to ensure compatibility with future monolithics.  
•
•
High Density Packaging  
• 32 Pin SOIC Module, No. 21 (OBSOLETE)  
• 32 Pin DIP Module, No. 184  
Single +5V (±10%) Supply Operation  
The device is available with Low Power and Data Retention  
(EDI8F8257LP).  
All inputs and outputs are TTL compatible and operate from a  
single 5V supply. Fully asynchronous, the EDI8F8257C requires  
no clocks or refreshing for operation.  
PIN CONFIGURATIONS AND BLOCK DIAGRAM  
PIN NAMES  
AØ-A17  
Address Inputs  
Chip Enable  
E
W
Write Enable  
G
Output Enable  
DQØ-DQ7  
VCC  
VSS  
NC  
Common Data Input/Output  
Power (+5V±10%)  
Ground  
No Connection  
Sept. 2001 Rev. 9  
ECO #14605  
White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com  
1

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